Home / 104,931.09-144,758.63-70,927.17

Finding the Fourth Proportional to 104,931.09, 144,758.63 and 70,927.17

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Solution

The fourth proportional to 104,931.09, 144,758.63 and 70,927.17 is: 97,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931.09 : 144,758.63 = 70,927.17 : x
  2. Step 2: Convert to fraction form
    104,931.09/144,758.63 = 70,927.17/x
  3. Step 3: Cross multiply
    104,931.09x = 144,758.63 × 70,927.17
  4. Step 4: Simplify right side
    104,931.09x = 10,267,319,604.34
  5. Step 5: Solve for x
    x = 10,267,319,604.34/104,931.09
  6. Step 6: Final answer
    x = 97,848.21

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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.