Home / 115,013.95-158,715.53-64,025.01

Finding the Fourth Proportional to 115,013.95, 158,715.53 and 64,025.01

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Solution

The fourth proportional to 115,013.95, 158,715.53 and 64,025.01 is: 88,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,013.95 : 158,715.53 = 64,025.01 : x
  2. Step 2: Convert to fraction form
    115,013.95/158,715.53 = 64,025.01/x
  3. Step 3: Cross multiply
    115,013.95x = 158,715.53 × 64,025.01
  4. Step 4: Simplify right side
    115,013.95x = 10,161,763,075.28
  5. Step 5: Solve for x
    x = 10,161,763,075.28/115,013.95
  6. Step 6: Final answer
    x = 88,352.44

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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.