Home / 56,085.12-77,306.80-48,798.60

Finding the Fourth Proportional to 56,085.12, 77,306.80 and 48,798.60

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Solution

The fourth proportional to 56,085.12, 77,306.80 and 48,798.60 is: 67,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.12 : 77,306.80 = 48,798.60 : x
  2. Step 2: Convert to fraction form
    56,085.12/77,306.80 = 48,798.60/x
  3. Step 3: Cross multiply
    56,085.12x = 77,306.80 × 48,798.60
  4. Step 4: Simplify right side
    56,085.12x = 3,772,463,366.49
  5. Step 5: Solve for x
    x = 3,772,463,366.49/56,085.12
  6. Step 6: Final answer
    x = 67,263.18

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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.