Home / 83,031.40-124,547.10-23,861.80

Finding the Fourth Proportional to 83,031.40, 124,547.10 and 23,861.80

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Solution

The fourth proportional to 83,031.40, 124,547.10 and 23,861.80 is: 35,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,031.40 : 124,547.10 = 23,861.80 : x
  2. Step 2: Convert to fraction form
    83,031.40/124,547.10 = 23,861.80/x
  3. Step 3: Cross multiply
    83,031.40x = 124,547.10 × 23,861.80
  4. Step 4: Simplify right side
    83,031.40x = 2,971,917,990.78
  5. Step 5: Solve for x
    x = 2,971,917,990.78/83,031.40
  6. Step 6: Final answer
    x = 35,792.70

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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.