Home / 91,323.48-125,944.80-57,335.13

Finding the Fourth Proportional to 91,323.48, 125,944.80 and 57,335.13

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Solution

The fourth proportional to 91,323.48, 125,944.80 and 57,335.13 is: 79,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,323.48 : 125,944.80 = 57,335.13 : x
  2. Step 2: Convert to fraction form
    91,323.48/125,944.80 = 57,335.13/x
  3. Step 3: Cross multiply
    91,323.48x = 125,944.80 × 57,335.13
  4. Step 4: Simplify right side
    91,323.48x = 7,221,061,480.82
  5. Step 5: Solve for x
    x = 7,221,061,480.82/91,323.48
  6. Step 6: Final answer
    x = 79,071.25

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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.