Home / 91,064.32-125,685.36-52,848.32

Finding the Fourth Proportional to 91,064.32, 125,685.36 and 52,848.32

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Solution

The fourth proportional to 91,064.32, 125,685.36 and 52,848.32 is: 72,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,064.32 : 125,685.36 = 52,848.32 : x
  2. Step 2: Convert to fraction form
    91,064.32/125,685.36 = 52,848.32/x
  3. Step 3: Cross multiply
    91,064.32x = 125,685.36 × 52,848.32
  4. Step 4: Simplify right side
    91,064.32x = 6,642,260,124.60
  5. Step 5: Solve for x
    x = 6,642,260,124.60/91,064.32
  6. Step 6: Final answer
    x = 72,940.31

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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.