Home / 84,041.80-115,982-46,316.05

Finding the Fourth Proportional to 84,041.80, 115,982 and 46,316.05

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Solution

The fourth proportional to 84,041.80, 115,982 and 46,316.05 is: 63,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.80 : 115,982 = 46,316.05 : x
  2. Step 2: Convert to fraction form
    84,041.80/115,982 = 46,316.05/x
  3. Step 3: Cross multiply
    84,041.80x = 115,982 × 46,316.05
  4. Step 4: Simplify right side
    84,041.80x = 5,371,828,111.10
  5. Step 5: Solve for x
    x = 5,371,828,111.10/84,041.80
  6. Step 6: Final answer
    x = 63,918.53

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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.