Home / 70,938.72-97,895.74-39,106.92

Finding the Fourth Proportional to 70,938.72, 97,895.74 and 39,106.92

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Solution

The fourth proportional to 70,938.72, 97,895.74 and 39,106.92 is: 53,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.72 : 97,895.74 = 39,106.92 : x
  2. Step 2: Convert to fraction form
    70,938.72/97,895.74 = 39,106.92/x
  3. Step 3: Cross multiply
    70,938.72x = 97,895.74 × 39,106.92
  4. Step 4: Simplify right side
    70,938.72x = 3,828,400,872.52
  5. Step 5: Solve for x
    x = 3,828,400,872.52/70,938.72
  6. Step 6: Final answer
    x = 53,967.72

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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.