Home / 70,339.31-97,077.48-40,117.70

Finding the Fourth Proportional to 70,339.31, 97,077.48 and 40,117.70

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Solution

The fourth proportional to 70,339.31, 97,077.48 and 40,117.70 is: 55,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,339.31 : 97,077.48 = 40,117.70 : x
  2. Step 2: Convert to fraction form
    70,339.31/97,077.48 = 40,117.70/x
  3. Step 3: Cross multiply
    70,339.31x = 97,077.48 × 40,117.70
  4. Step 4: Simplify right side
    70,339.31x = 3,894,525,219.40
  5. Step 5: Solve for x
    x = 3,894,525,219.40/70,339.31
  6. Step 6: Final answer
    x = 55,367.69

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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.