Home / 88,280.68-121,829.68-47,997.16

Finding the Fourth Proportional to 88,280.68, 121,829.68 and 47,997.16

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Solution

The fourth proportional to 88,280.68, 121,829.68 and 47,997.16 is: 66,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,280.68 : 121,829.68 = 47,997.16 : x
  2. Step 2: Convert to fraction form
    88,280.68/121,829.68 = 47,997.16/x
  3. Step 3: Cross multiply
    88,280.68x = 121,829.68 × 47,997.16
  4. Step 4: Simplify right side
    88,280.68x = 5,847,478,643.71
  5. Step 5: Solve for x
    x = 5,847,478,643.71/88,280.68
  6. Step 6: Final answer
    x = 66,237.35

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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.