Home / 53,985.07-74,500.99-30,111.23

Finding the Fourth Proportional to 53,985.07, 74,500.99 and 30,111.23

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Solution

The fourth proportional to 53,985.07, 74,500.99 and 30,111.23 is: 41,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.07 : 74,500.99 = 30,111.23 : x
  2. Step 2: Convert to fraction form
    53,985.07/74,500.99 = 30,111.23/x
  3. Step 3: Cross multiply
    53,985.07x = 74,500.99 × 30,111.23
  4. Step 4: Simplify right side
    53,985.07x = 2,243,316,221.71
  5. Step 5: Solve for x
    x = 2,243,316,221.71/53,985.07
  6. Step 6: Final answer
    x = 41,554.39

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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.