Home / 103,585.46-142,946.52-58,263.43

Finding the Fourth Proportional to 103,585.46, 142,946.52 and 58,263.43

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Solution

The fourth proportional to 103,585.46, 142,946.52 and 58,263.43 is: 80,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,585.46 : 142,946.52 = 58,263.43 : x
  2. Step 2: Convert to fraction form
    103,585.46/142,946.52 = 58,263.43/x
  3. Step 3: Cross multiply
    103,585.46x = 142,946.52 × 58,263.43
  4. Step 4: Simplify right side
    103,585.46x = 8,328,554,561.76
  5. Step 5: Solve for x
    x = 8,328,554,561.76/103,585.46
  6. Step 6: Final answer
    x = 80,402.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.