Home / 113,822.02-157,075.66-62,834.78

Finding the Fourth Proportional to 113,822.02, 157,075.66 and 62,834.78

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Solution

The fourth proportional to 113,822.02, 157,075.66 and 62,834.78 is: 86,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,822.02 : 157,075.66 = 62,834.78 : x
  2. Step 2: Convert to fraction form
    113,822.02/157,075.66 = 62,834.78/x
  3. Step 3: Cross multiply
    113,822.02x = 157,075.66 × 62,834.78
  4. Step 4: Simplify right side
    113,822.02x = 9,869,814,038.78
  5. Step 5: Solve for x
    x = 9,869,814,038.78/113,822.02
  6. Step 6: Final answer
    x = 86,712.69

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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.