Home / 70,907.49-97,852.35-38,642.12

Finding the Fourth Proportional to 70,907.49, 97,852.35 and 38,642.12

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Solution

The fourth proportional to 70,907.49, 97,852.35 and 38,642.12 is: 53,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,907.49 : 97,852.35 = 38,642.12 : x
  2. Step 2: Convert to fraction form
    70,907.49/97,852.35 = 38,642.12/x
  3. Step 3: Cross multiply
    70,907.49x = 97,852.35 × 38,642.12
  4. Step 4: Simplify right side
    70,907.49x = 3,781,221,761.72
  5. Step 5: Solve for x
    x = 3,781,221,761.72/70,907.49
  6. Step 6: Final answer
    x = 53,326.13

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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.