Home / 72,167.06-99,526.01-45,312.05

Finding the Fourth Proportional to 72,167.06, 99,526.01 and 45,312.05

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Solution

The fourth proportional to 72,167.06, 99,526.01 and 45,312.05 is: 62,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,167.06 : 99,526.01 = 45,312.05 : x
  2. Step 2: Convert to fraction form
    72,167.06/99,526.01 = 45,312.05/x
  3. Step 3: Cross multiply
    72,167.06x = 99,526.01 × 45,312.05
  4. Step 4: Simplify right side
    72,167.06x = 4,509,726,817.23
  5. Step 5: Solve for x
    x = 4,509,726,817.23/72,167.06
  6. Step 6: Final answer
    x = 62,490.10

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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.