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Finding the Fourth Proportional to 88,053.60, 132,075.76 and 28,881.48

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Solution

The fourth proportional to 88,053.60, 132,075.76 and 28,881.48 is: 43,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,053.60 : 132,075.76 = 28,881.48 : x
  2. Step 2: Convert to fraction form
    88,053.60/132,075.76 = 28,881.48/x
  3. Step 3: Cross multiply
    88,053.60x = 132,075.76 × 28,881.48
  4. Step 4: Simplify right side
    88,053.60x = 3,814,543,420.92
  5. Step 5: Solve for x
    x = 3,814,543,420.92/88,053.60
  6. Step 6: Final answer
    x = 43,320.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.