Home / 49,424.60-74,136.90-47,005.40

Finding the Fourth Proportional to 49,424.60, 74,136.90 and 47,005.40

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Solution

The fourth proportional to 49,424.60, 74,136.90 and 47,005.40 is: 70,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,424.60 : 74,136.90 = 47,005.40 : x
  2. Step 2: Convert to fraction form
    49,424.60/74,136.90 = 47,005.40/x
  3. Step 3: Cross multiply
    49,424.60x = 74,136.90 × 47,005.40
  4. Step 4: Simplify right side
    49,424.60x = 3,484,834,639.26
  5. Step 5: Solve for x
    x = 3,484,834,639.26/49,424.60
  6. Step 6: Final answer
    x = 70,508.10

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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.