Home / 70,569.36-97,386.30-38,741.76

Finding the Fourth Proportional to 70,569.36, 97,386.30 and 38,741.76

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Solution

The fourth proportional to 70,569.36, 97,386.30 and 38,741.76 is: 53,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.36 : 97,386.30 = 38,741.76 : x
  2. Step 2: Convert to fraction form
    70,569.36/97,386.30 = 38,741.76/x
  3. Step 3: Cross multiply
    70,569.36x = 97,386.30 × 38,741.76
  4. Step 4: Simplify right side
    70,569.36x = 3,772,916,661.89
  5. Step 5: Solve for x
    x = 3,772,916,661.89/70,569.36
  6. Step 6: Final answer
    x = 53,463.95

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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.