Home / 90,306.36-124,642.80-52,602.48

Finding the Fourth Proportional to 90,306.36, 124,642.80 and 52,602.48

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Solution

The fourth proportional to 90,306.36, 124,642.80 and 52,602.48 is: 72,603.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,306.36 : 124,642.80 = 52,602.48 : x
  2. Step 2: Convert to fraction form
    90,306.36/124,642.80 = 52,602.48/x
  3. Step 3: Cross multiply
    90,306.36x = 124,642.80 × 52,602.48
  4. Step 4: Simplify right side
    90,306.36x = 6,556,520,394.14
  5. Step 5: Solve for x
    x = 6,556,520,394.14/90,306.36
  6. Step 6: Final answer
    x = 72,603.09

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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.