Home / 70,574.08-97,391.28-40,364.32

Finding the Fourth Proportional to 70,574.08, 97,391.28 and 40,364.32

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Solution

The fourth proportional to 70,574.08, 97,391.28 and 40,364.32 is: 55,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,574.08 : 97,391.28 = 40,364.32 : x
  2. Step 2: Convert to fraction form
    70,574.08/97,391.28 = 40,364.32/x
  3. Step 3: Cross multiply
    70,574.08x = 97,391.28 × 40,364.32
  4. Step 4: Simplify right side
    70,574.08x = 3,931,132,791.13
  5. Step 5: Solve for x
    x = 3,931,132,791.13/70,574.08
  6. Step 6: Final answer
    x = 55,702.22

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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.