Home / 91,831.95-126,712.08-51,547.41

Finding the Fourth Proportional to 91,831.95, 126,712.08 and 51,547.41

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Solution

The fourth proportional to 91,831.95, 126,712.08 and 51,547.41 is: 71,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.95 : 126,712.08 = 51,547.41 : x
  2. Step 2: Convert to fraction form
    91,831.95/126,712.08 = 51,547.41/x
  3. Step 3: Cross multiply
    91,831.95x = 126,712.08 × 51,547.41
  4. Step 4: Simplify right side
    91,831.95x = 6,531,679,539.71
  5. Step 5: Solve for x
    x = 6,531,679,539.71/91,831.95
  6. Step 6: Final answer
    x = 71,126.44

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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.