Home / 68,427.15-94,430.93-42,934.50

Finding the Fourth Proportional to 68,427.15, 94,430.93 and 42,934.50

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Solution

The fourth proportional to 68,427.15, 94,430.93 and 42,934.50 is: 59,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,427.15 : 94,430.93 = 42,934.50 : x
  2. Step 2: Convert to fraction form
    68,427.15/94,430.93 = 42,934.50/x
  3. Step 3: Cross multiply
    68,427.15x = 94,430.93 × 42,934.50
  4. Step 4: Simplify right side
    68,427.15x = 4,054,344,549.41
  5. Step 5: Solve for x
    x = 4,054,344,549.41/68,427.15
  6. Step 6: Final answer
    x = 59,250.52

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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.