Home / 56,176.92-77,488.52-42,718.68

Finding the Fourth Proportional to 56,176.92, 77,488.52 and 42,718.68

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Solution

The fourth proportional to 56,176.92, 77,488.52 and 42,718.68 is: 58,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.92 : 77,488.52 = 42,718.68 : x
  2. Step 2: Convert to fraction form
    56,176.92/77,488.52 = 42,718.68/x
  3. Step 3: Cross multiply
    56,176.92x = 77,488.52 × 42,718.68
  4. Step 4: Simplify right side
    56,176.92x = 3,310,207,075.96
  5. Step 5: Solve for x
    x = 3,310,207,075.96/56,176.92
  6. Step 6: Final answer
    x = 58,924.68

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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.