Home / 93,543.04-129,046.08-53,776

Finding the Fourth Proportional to 93,543.04, 129,046.08 and 53,776

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Solution

The fourth proportional to 93,543.04, 129,046.08 and 53,776 is: 74,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,543.04 : 129,046.08 = 53,776 : x
  2. Step 2: Convert to fraction form
    93,543.04/129,046.08 = 53,776/x
  3. Step 3: Cross multiply
    93,543.04x = 129,046.08 × 53,776
  4. Step 4: Simplify right side
    93,543.04x = 6,939,581,998.08
  5. Step 5: Solve for x
    x = 6,939,581,998.08/93,543.04
  6. Step 6: Final answer
    x = 74,185.98

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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.