Home / 91,569.02-137,564.03-64,613.40

Finding the Fourth Proportional to 91,569.02, 137,564.03 and 64,613.40

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Solution

The fourth proportional to 91,569.02, 137,564.03 and 64,613.40 is: 97,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,569.02 : 137,564.03 = 64,613.40 : x
  2. Step 2: Convert to fraction form
    91,569.02/137,564.03 = 64,613.40/x
  3. Step 3: Cross multiply
    91,569.02x = 137,564.03 × 64,613.40
  4. Step 4: Simplify right side
    91,569.02x = 8,888,479,857.54
  5. Step 5: Solve for x
    x = 8,888,479,857.54/91,569.02
  6. Step 6: Final answer
    x = 97,068.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.