Home / 76,075.36-104,984.20-42,541.36

Finding the Fourth Proportional to 76,075.36, 104,984.20 and 42,541.36

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Solution

The fourth proportional to 76,075.36, 104,984.20 and 42,541.36 is: 58,707.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,075.36 : 104,984.20 = 42,541.36 : x
  2. Step 2: Convert to fraction form
    76,075.36/104,984.20 = 42,541.36/x
  3. Step 3: Cross multiply
    76,075.36x = 104,984.20 × 42,541.36
  4. Step 4: Simplify right side
    76,075.36x = 4,466,170,646.51
  5. Step 5: Solve for x
    x = 4,466,170,646.51/76,075.36
  6. Step 6: Final answer
    x = 58,707.19

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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.