Home / 92,088.74-137,608.90-69,143.01

Finding the Fourth Proportional to 92,088.74, 137,608.90 and 69,143.01

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Solution

The fourth proportional to 92,088.74, 137,608.90 and 69,143.01 is: 103,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,088.74 : 137,608.90 = 69,143.01 : x
  2. Step 2: Convert to fraction form
    92,088.74/137,608.90 = 69,143.01/x
  3. Step 3: Cross multiply
    92,088.74x = 137,608.90 × 69,143.01
  4. Step 4: Simplify right side
    92,088.74x = 9,514,693,548.79
  5. Step 5: Solve for x
    x = 9,514,693,548.79/92,088.74
  6. Step 6: Final answer
    x = 103,320.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.