Home / 90,948.44-125,510.18-52,710.81

Finding the Fourth Proportional to 90,948.44, 125,510.18 and 52,710.81

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Solution

The fourth proportional to 90,948.44, 125,510.18 and 52,710.81 is: 72,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,948.44 : 125,510.18 = 52,710.81 : x
  2. Step 2: Convert to fraction form
    90,948.44/125,510.18 = 52,710.81/x
  3. Step 3: Cross multiply
    90,948.44x = 125,510.18 × 52,710.81
  4. Step 4: Simplify right side
    90,948.44x = 6,615,742,987.49
  5. Step 5: Solve for x
    x = 6,615,742,987.49/90,948.44
  6. Step 6: Final answer
    x = 72,741.69

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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.