Home / 88,298.37-121,887.05-54,320.63

Finding the Fourth Proportional to 88,298.37, 121,887.05 and 54,320.63

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Solution

The fourth proportional to 88,298.37, 121,887.05 and 54,320.63 is: 74,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,298.37 : 121,887.05 = 54,320.63 : x
  2. Step 2: Convert to fraction form
    88,298.37/121,887.05 = 54,320.63/x
  3. Step 3: Cross multiply
    88,298.37x = 121,887.05 × 54,320.63
  4. Step 4: Simplify right side
    88,298.37x = 6,620,980,463.80
  5. Step 5: Solve for x
    x = 6,620,980,463.80/88,298.37
  6. Step 6: Final answer
    x = 74,984.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.