Home / 103,068.10-154,512.15-39,931.30

Finding the Fourth Proportional to 103,068.10, 154,512.15 and 39,931.30

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Solution

The fourth proportional to 103,068.10, 154,512.15 and 39,931.30 is: 59,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,068.10 : 154,512.15 = 39,931.30 : x
  2. Step 2: Convert to fraction form
    103,068.10/154,512.15 = 39,931.30/x
  3. Step 3: Cross multiply
    103,068.10x = 154,512.15 × 39,931.30
  4. Step 4: Simplify right side
    103,068.10x = 6,169,871,015.30
  5. Step 5: Solve for x
    x = 6,169,871,015.30/103,068.10
  6. Step 6: Final answer
    x = 59,862.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.