Home / 77,435.68-116,075.08-52,478.28

Finding the Fourth Proportional to 77,435.68, 116,075.08 and 52,478.28

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Solution

The fourth proportional to 77,435.68, 116,075.08 and 52,478.28 is: 78,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,435.68 : 116,075.08 = 52,478.28 : x
  2. Step 2: Convert to fraction form
    77,435.68/116,075.08 = 52,478.28/x
  3. Step 3: Cross multiply
    77,435.68x = 116,075.08 × 52,478.28
  4. Step 4: Simplify right side
    77,435.68x = 6,091,420,549.26
  5. Step 5: Solve for x
    x = 6,091,420,549.26/77,435.68
  6. Step 6: Final answer
    x = 78,664.26

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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.