Home / 84,505.04-116,616.80-46,779.28

Finding the Fourth Proportional to 84,505.04, 116,616.80 and 46,779.28

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Solution

The fourth proportional to 84,505.04, 116,616.80 and 46,779.28 is: 64,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,505.04 : 116,616.80 = 46,779.28 : x
  2. Step 2: Convert to fraction form
    84,505.04/116,616.80 = 46,779.28/x
  3. Step 3: Cross multiply
    84,505.04x = 116,616.80 × 46,779.28
  4. Step 4: Simplify right side
    84,505.04x = 5,455,249,939.90
  5. Step 5: Solve for x
    x = 5,455,249,939.90/84,505.04
  6. Step 6: Final answer
    x = 64,555.32

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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.