Home / 83,421.64-124,818.54-58,510.30

Finding the Fourth Proportional to 83,421.64, 124,818.54 and 58,510.30

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Solution

The fourth proportional to 83,421.64, 124,818.54 and 58,510.30 is: 87,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,421.64 : 124,818.54 = 58,510.30 : x
  2. Step 2: Convert to fraction form
    83,421.64/124,818.54 = 58,510.30/x
  3. Step 3: Cross multiply
    83,421.64x = 124,818.54 × 58,510.30
  4. Step 4: Simplify right side
    83,421.64x = 7,303,170,220.96
  5. Step 5: Solve for x
    x = 7,303,170,220.96/83,421.64
  6. Step 6: Final answer
    x = 87,545.27

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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.