Home / 88,158.01-121,657.67-47,871.45

Finding the Fourth Proportional to 88,158.01, 121,657.67 and 47,871.45

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Solution

The fourth proportional to 88,158.01, 121,657.67 and 47,871.45 is: 66,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,158.01 : 121,657.67 = 47,871.45 : x
  2. Step 2: Convert to fraction form
    88,158.01/121,657.67 = 47,871.45/x
  3. Step 3: Cross multiply
    88,158.01x = 121,657.67 × 47,871.45
  4. Step 4: Simplify right side
    88,158.01x = 5,823,929,066.52
  5. Step 5: Solve for x
    x = 5,823,929,066.52/88,158.01
  6. Step 6: Final answer
    x = 66,062.39

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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.