Home / 72,038.32-99,293.88-48,156.28

Finding the Fourth Proportional to 72,038.32, 99,293.88 and 48,156.28

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Solution

The fourth proportional to 72,038.32, 99,293.88 and 48,156.28 is: 66,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,038.32 : 99,293.88 = 48,156.28 : x
  2. Step 2: Convert to fraction form
    72,038.32/99,293.88 = 48,156.28/x
  3. Step 3: Cross multiply
    72,038.32x = 99,293.88 × 48,156.28
  4. Step 4: Simplify right side
    72,038.32x = 4,781,623,887.57
  5. Step 5: Solve for x
    x = 4,781,623,887.57/72,038.32
  6. Step 6: Final answer
    x = 66,376.12

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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.