Home / 52,357.04-72,220.31-45,658.74

Finding the Fourth Proportional to 52,357.04, 72,220.31 and 45,658.74

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Solution

The fourth proportional to 52,357.04, 72,220.31 and 45,658.74 is: 62,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.04 : 72,220.31 = 45,658.74 : x
  2. Step 2: Convert to fraction form
    52,357.04/72,220.31 = 45,658.74/x
  3. Step 3: Cross multiply
    52,357.04x = 72,220.31 × 45,658.74
  4. Step 4: Simplify right side
    52,357.04x = 3,297,488,128.72
  5. Step 5: Solve for x
    x = 3,297,488,128.72/52,357.04
  6. Step 6: Final answer
    x = 62,980.80

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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.