Home / 91,355.58-126,065.57-51,061.32

Finding the Fourth Proportional to 91,355.58, 126,065.57 and 51,061.32

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Solution

The fourth proportional to 91,355.58, 126,065.57 and 51,061.32 is: 70,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,355.58 : 126,065.57 = 51,061.32 : x
  2. Step 2: Convert to fraction form
    91,355.58/126,065.57 = 51,061.32/x
  3. Step 3: Cross multiply
    91,355.58x = 126,065.57 × 51,061.32
  4. Step 4: Simplify right side
    91,355.58x = 6,437,074,155.45
  5. Step 5: Solve for x
    x = 6,437,074,155.45/91,355.58
  6. Step 6: Final answer
    x = 70,461.75

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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.