Home / 72,931.41-100,664.10-47,501.16

Finding the Fourth Proportional to 72,931.41, 100,664.10 and 47,501.16

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Solution

The fourth proportional to 72,931.41, 100,664.10 and 47,501.16 is: 65,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,931.41 : 100,664.10 = 47,501.16 : x
  2. Step 2: Convert to fraction form
    72,931.41/100,664.10 = 47,501.16/x
  3. Step 3: Cross multiply
    72,931.41x = 100,664.10 × 47,501.16
  4. Step 4: Simplify right side
    72,931.41x = 4,781,661,520.36
  5. Step 5: Solve for x
    x = 4,781,661,520.36/72,931.41
  6. Step 6: Final answer
    x = 65,563.82

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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.