Home / 70,973.16-97,943.58-39,143.16

Finding the Fourth Proportional to 70,973.16, 97,943.58 and 39,143.16

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Solution

The fourth proportional to 70,973.16, 97,943.58 and 39,143.16 is: 54,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,973.16 : 97,943.58 = 39,143.16 : x
  2. Step 2: Convert to fraction form
    70,973.16/97,943.58 = 39,143.16/x
  3. Step 3: Cross multiply
    70,973.16x = 97,943.58 × 39,143.16
  4. Step 4: Simplify right side
    70,973.16x = 3,833,821,222.91
  5. Step 5: Solve for x
    x = 3,833,821,222.91/70,973.16
  6. Step 6: Final answer
    x = 54,017.90

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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.