Home / 105,128.04-157,598.26-38,552.61

Finding the Fourth Proportional to 105,128.04, 157,598.26 and 38,552.61

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Solution

The fourth proportional to 105,128.04, 157,598.26 and 38,552.61 is: 57,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,128.04 : 157,598.26 = 38,552.61 : x
  2. Step 2: Convert to fraction form
    105,128.04/157,598.26 = 38,552.61/x
  3. Step 3: Cross multiply
    105,128.04x = 157,598.26 × 38,552.61
  4. Step 4: Simplify right side
    105,128.04x = 6,075,824,254.46
  5. Step 5: Solve for x
    x = 6,075,824,254.46/105,128.04
  6. Step 6: Final answer
    x = 57,794.52

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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.