Home / 94,421.28-130,284.80-56,696.34

Finding the Fourth Proportional to 94,421.28, 130,284.80 and 56,696.34

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Solution

The fourth proportional to 94,421.28, 130,284.80 and 56,696.34 is: 78,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,421.28 : 130,284.80 = 56,696.34 : x
  2. Step 2: Convert to fraction form
    94,421.28/130,284.80 = 56,696.34/x
  3. Step 3: Cross multiply
    94,421.28x = 130,284.80 × 56,696.34
  4. Step 4: Simplify right side
    94,421.28x = 7,386,671,034.15
  5. Step 5: Solve for x
    x = 7,386,671,034.15/94,421.28
  6. Step 6: Final answer
    x = 78,231.00

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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.