Home / 113,821.19-157,075.75-62,833.80

Finding the Fourth Proportional to 113,821.19, 157,075.75 and 62,833.80

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Solution

The fourth proportional to 113,821.19, 157,075.75 and 62,833.80 is: 86,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,821.19 : 157,075.75 = 62,833.80 : x
  2. Step 2: Convert to fraction form
    113,821.19/157,075.75 = 62,833.80/x
  3. Step 3: Cross multiply
    113,821.19x = 157,075.75 × 62,833.80
  4. Step 4: Simplify right side
    113,821.19x = 9,869,666,260.35
  5. Step 5: Solve for x
    x = 9,869,666,260.35/113,821.19
  6. Step 6: Final answer
    x = 86,712.03

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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.