Home / 53,155.08-73,352.28-29,281.68

Finding the Fourth Proportional to 53,155.08, 73,352.28 and 29,281.68

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Solution

The fourth proportional to 53,155.08, 73,352.28 and 29,281.68 is: 40,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155.08 : 73,352.28 = 29,281.68 : x
  2. Step 2: Convert to fraction form
    53,155.08/73,352.28 = 29,281.68/x
  3. Step 3: Cross multiply
    53,155.08x = 73,352.28 × 29,281.68
  4. Step 4: Simplify right side
    53,155.08x = 2,147,877,990.23
  5. Step 5: Solve for x
    x = 2,147,877,990.23/53,155.08
  6. Step 6: Final answer
    x = 40,407.77

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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.