Home / 61,838.68-85,281.05-52,298.58

Finding the Fourth Proportional to 61,838.68, 85,281.05 and 52,298.58

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Solution

The fourth proportional to 61,838.68, 85,281.05 and 52,298.58 is: 72,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,838.68 : 85,281.05 = 52,298.58 : x
  2. Step 2: Convert to fraction form
    61,838.68/85,281.05 = 52,298.58/x
  3. Step 3: Cross multiply
    61,838.68x = 85,281.05 × 52,298.58
  4. Step 4: Simplify right side
    61,838.68x = 4,460,077,815.91
  5. Step 5: Solve for x
    x = 4,460,077,815.91/61,838.68
  6. Step 6: Final answer
    x = 72,124.40

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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.