Home / 70,905.09-97,849.68-39,075.13

Finding the Fourth Proportional to 70,905.09, 97,849.68 and 39,075.13

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Solution

The fourth proportional to 70,905.09, 97,849.68 and 39,075.13 is: 53,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.09 : 97,849.68 = 39,075.13 : x
  2. Step 2: Convert to fraction form
    70,905.09/97,849.68 = 39,075.13/x
  3. Step 3: Cross multiply
    70,905.09x = 97,849.68 × 39,075.13
  4. Step 4: Simplify right side
    70,905.09x = 3,823,488,966.46
  5. Step 5: Solve for x
    x = 3,823,488,966.46/70,905.09
  6. Step 6: Final answer
    x = 53,924.04

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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.