Home / 77,266.14-106,615.10-45,006.07

Finding the Fourth Proportional to 77,266.14, 106,615.10 and 45,006.07

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Solution

The fourth proportional to 77,266.14, 106,615.10 and 45,006.07 is: 62,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,266.14 : 106,615.10 = 45,006.07 : x
  2. Step 2: Convert to fraction form
    77,266.14/106,615.10 = 45,006.07/x
  3. Step 3: Cross multiply
    77,266.14x = 106,615.10 × 45,006.07
  4. Step 4: Simplify right side
    77,266.14x = 4,798,326,428.63
  5. Step 5: Solve for x
    x = 4,798,326,428.63/77,266.14
  6. Step 6: Final answer
    x = 62,101.28

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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.