Home / 84,764.48-116,971.04-47,038.40

Finding the Fourth Proportional to 84,764.48, 116,971.04 and 47,038.40

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Solution

The fourth proportional to 84,764.48, 116,971.04 and 47,038.40 is: 64,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,764.48 : 116,971.04 = 47,038.40 : x
  2. Step 2: Convert to fraction form
    84,764.48/116,971.04 = 47,038.40/x
  3. Step 3: Cross multiply
    84,764.48x = 116,971.04 × 47,038.40
  4. Step 4: Simplify right side
    84,764.48x = 5,502,130,567.94
  5. Step 5: Solve for x
    x = 5,502,130,567.94/84,764.48
  6. Step 6: Final answer
    x = 64,910.80

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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.