Home / 86,088.03-129,127.19-26,916.72

Finding the Fourth Proportional to 86,088.03, 129,127.19 and 26,916.72

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Solution

The fourth proportional to 86,088.03, 129,127.19 and 26,916.72 is: 40,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,088.03 : 129,127.19 = 26,916.72 : x
  2. Step 2: Convert to fraction form
    86,088.03/129,127.19 = 26,916.72/x
  3. Step 3: Cross multiply
    86,088.03x = 129,127.19 × 26,916.72
  4. Step 4: Simplify right side
    86,088.03x = 3,475,680,283.03
  5. Step 5: Solve for x
    x = 3,475,680,283.03/86,088.03
  6. Step 6: Final answer
    x = 40,373.56

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1.5x scale

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.