Home / 104,877.64-144,681.55-70,898.04

Finding the Fourth Proportional to 104,877.64, 144,681.55 and 70,898.04

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Solution

The fourth proportional to 104,877.64, 144,681.55 and 70,898.04 is: 97,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,877.64 : 144,681.55 = 70,898.04 : x
  2. Step 2: Convert to fraction form
    104,877.64/144,681.55 = 70,898.04/x
  3. Step 3: Cross multiply
    104,877.64x = 144,681.55 × 70,898.04
  4. Step 4: Simplify right side
    104,877.64x = 10,257,638,141.92
  5. Step 5: Solve for x
    x = 10,257,638,141.92/104,877.64
  6. Step 6: Final answer
    x = 97,805.77

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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.