Home / 70,830.72-97,746.75-40,617.18

Finding the Fourth Proportional to 70,830.72, 97,746.75 and 40,617.18

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Solution

The fourth proportional to 70,830.72, 97,746.75 and 40,617.18 is: 56,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,830.72 : 97,746.75 = 40,617.18 : x
  2. Step 2: Convert to fraction form
    70,830.72/97,746.75 = 40,617.18/x
  3. Step 3: Cross multiply
    70,830.72x = 97,746.75 × 40,617.18
  4. Step 4: Simplify right side
    70,830.72x = 3,970,197,339.17
  5. Step 5: Solve for x
    x = 3,970,197,339.17/70,830.72
  6. Step 6: Final answer
    x = 56,051.91

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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.