Home / 90,148.59-124,430.93-59,544.08

Finding the Fourth Proportional to 90,148.59, 124,430.93 and 59,544.08

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Solution

The fourth proportional to 90,148.59, 124,430.93 and 59,544.08 is: 82,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,148.59 : 124,430.93 = 59,544.08 : x
  2. Step 2: Convert to fraction form
    90,148.59/124,430.93 = 59,544.08/x
  3. Step 3: Cross multiply
    90,148.59x = 124,430.93 × 59,544.08
  4. Step 4: Simplify right side
    90,148.59x = 7,409,124,330.52
  5. Step 5: Solve for x
    x = 7,409,124,330.52/90,148.59
  6. Step 6: Final answer
    x = 82,187.91

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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.