Home / 90,077.76-124,303.68-52,349.04

Finding the Fourth Proportional to 90,077.76, 124,303.68 and 52,349.04

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Solution

The fourth proportional to 90,077.76, 124,303.68 and 52,349.04 is: 72,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.76 : 124,303.68 = 52,349.04 : x
  2. Step 2: Convert to fraction form
    90,077.76/124,303.68 = 52,349.04/x
  3. Step 3: Cross multiply
    90,077.76x = 124,303.68 × 52,349.04
  4. Step 4: Simplify right side
    90,077.76x = 6,507,178,316.47
  5. Step 5: Solve for x
    x = 6,507,178,316.47/90,077.76
  6. Step 6: Final answer
    x = 72,239.57

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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.