Home / 84,641.04-116,756.40-52,828.32

Finding the Fourth Proportional to 84,641.04, 116,756.40 and 52,828.32

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Solution

The fourth proportional to 84,641.04, 116,756.40 and 52,828.32 is: 72,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,641.04 : 116,756.40 = 52,828.32 : x
  2. Step 2: Convert to fraction form
    84,641.04/116,756.40 = 52,828.32/x
  3. Step 3: Cross multiply
    84,641.04x = 116,756.40 × 52,828.32
  4. Step 4: Simplify right side
    84,641.04x = 6,168,044,461.25
  5. Step 5: Solve for x
    x = 6,168,044,461.25/84,641.04
  6. Step 6: Final answer
    x = 72,872.98

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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.