Home / 77,746.48-107,323.25-52,267.62

Finding the Fourth Proportional to 77,746.48, 107,323.25 and 52,267.62

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Solution

The fourth proportional to 77,746.48, 107,323.25 and 52,267.62 is: 72,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746.48 : 107,323.25 = 52,267.62 : x
  2. Step 2: Convert to fraction form
    77,746.48/107,323.25 = 52,267.62/x
  3. Step 3: Cross multiply
    77,746.48x = 107,323.25 × 52,267.62
  4. Step 4: Simplify right side
    77,746.48x = 5,609,531,024.08
  5. Step 5: Solve for x
    x = 5,609,531,024.08/77,746.48
  6. Step 6: Final answer
    x = 72,151.58

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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.